protected void Confirm_Click(object sender, EventArgs e)
 {
     string newTitle = Title.Text.Trim();
     string newText = tbContent.Text.Trim();
     Article art = new Article();
     art.Article_SetUpdate(newTitle, newText, aid);
     bool i = new ArticlesManage().Edit(art);
     if (i == true)
         Response.Write("<script language=javascript>alert('修改成功!')</script>");
     else
         Response.Write("<script language=javascript>alert('修改失败!')</script>");
     SetData();
 }